| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sciammas Maurice | EVP, WW Sales & Marketing | 5808 LAKE WASHINGTON BLVD NE, KIRKLAND | /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas | 2025-08-19 | 0001360833 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPWR | Common Stock | Gift | $0 | -1K | -50% | $0.00 | 1K | Aug 19, 2025 | Peter Rafferty and Eric Toothill 2021Trust | F1 |
| transaction | MPWR | Common Stock | Gift | $0 | -1.5K | -10.92% | $0.00 | 12.2K | Aug 19, 2025 | Various Sciammas GRATs | F2 |
| transaction | MPWR | Common Stock | Gift | $0 | +1.5K | $0.00 | 1.5K | Aug 19, 2025 | Rosalind Sciammas Brokerage Account | F3 | |
| holding | MPWR | Common Stock | 102K | Aug 19, 2025 | Direct | ||||||
| holding | MPWR | Common Stock | 44.9K | Aug 19, 2025 | Sciammas Family Trust | ||||||
| holding | MPWR | Common Stock | 1.7K | Aug 19, 2025 | The Chloe Liliane Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 1.7K | Aug 19, 2025 | The Patrick Francis Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 1.7K | Aug 19, 2025 | The Joseph Roger Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 2K | Aug 19, 2025 | Rosalind Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 5K | Aug 19, 2025 | Clement Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 9.48K | Aug 19, 2025 | Maurice Sciammas Trust FBO Oski Crew | ||||||
| holding | MPWR | Common Stock | 9.48K | Aug 19, 2025 | Christina Sciammas Trust FBO Oski Crew | ||||||
| holding | MPWR | Common Stock | 1.5K | Aug 19, 2025 | Clement Sciammas Brokerage Account | ||||||
| holding | MPWR | Common Stock | 4.02K | Aug 19, 2025 | By Sciammas Trust 2020 |
| Id | Content |
|---|---|
| F1 | 1,000 shares were distributed from the Peter Rafferty and Eric Toothill 2021 Irrevocable Trust, on which the reporting person is a Trustee, to an individual who is not an immediate family member living in the same household of the reporting person. In addition, the Company has determined that the reporting person does not have any management or investment control or any other pecuniary interests over the shares. No funds were exchanged and no sale of shares occurred in the transfer. |
| F2 | 1,499 shares were distributed from the Sciammas Siblings 2021 GRATs, on which the reporting person is a Trustee, to the Rosalind Sciammas brokerage account. No funds were exchanged, and no sale of shares occurred in the transfer. |
| F3 | 1,499 shares were received by the Rosalind Sciammas brokerage account from Sciammas Siblings 2021 GRATs. No funds were exchanged, and no sale of shares occurred in the transfer |